Citadel Securities

citadelsecurities.com

financial services

citadelsecurities.com

Chicago, Illinois, United States

1001-5000 employees

9700000000 revenue

LinkedIn Profile

About Citadel Securities

market resilience, liquidity risk management, market innovation, services, market efficiency, financial markets, financial instruments, derivatives market, market making in fx, market connectivity, data analytics, derivatives market making, trading software, market making in foreign exchange, market impact modeling, b2b, securities and commodity contracts intermediation and brokerage, global capital markets, market transparency, market liquidity

Citadel Securities's Tech Stack

AI/ML

Decision Makers at Citadel Securities

18 contacts

Ankit Toshniwal

Head of SRE

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Treacy Greer

Executive Assistant, Office of the Chief Technology Officer / Senior Managing Director

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Mic Chuck

Head of Information Security, APAC

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Josh Woods

Chief Technology Officer

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Sumeet Singh

Software Engineering Manager

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John Qiang

Software Engineering Manager

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Maksim Solovjov

Engineering Manager at Citadel Securities

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Sandeep Mukthavaram

Head of FPGA Engineering

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Chris Dee

Head of Cloud Platform Engineering

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Yiming

Engineering Manager

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Paul Tunnard

Software Engineering Manager at Citadel Securities

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Peter Tsonev

Engineering Manager

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Mandy March

Head of People, Engineering and Low Latency

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Vincent Martori

Site Engineering Manager

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John Toomey

Low Latency Systems Engineering Manager

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Aaron Moss

Head of Recruiting - Technology

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Mark Speranza

Head of Tech Recruiting, APAC

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Mike Topalovich

Chief Salesforce Architect and Global Product Owner

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6 technologies detected · 18 decision makers · Emails available

Sales Outreach Angle

Citadel Securities operates in financial services. Strong sales angles include risk reduction, compliance automation, fraud prevention, and reporting/analytics tools.

Citadel Securities's Position in the StackWho Database

• Citadel Securities is 1 of 21,667 financial services companies tracked in StackWho.
• 21,586 financial services companies in our database have verified decision-maker emails (100% of the cohort).
• 11,640 companies in Illinois are in the StackWho database.
• 671 financial services companies are in the 1001-5000 employee range (same size as Citadel Securities).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Citadel Securities use?

Citadel Securities uses Route 53, Outlook, Pardot, Microsoft Office 365, Circle, AI. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Citadel Securities?

StackWho has verified email addresses for 18 decision makers at Citadel Securities. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Citadel Securities directly for sales, recruiting, or partnerships.

What industry is Citadel Securities in?

Citadel Securities operates in the financial services industry, headquartered in Chicago, Illinois, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Citadel Securities's contact data?

Yes. StackWho Pro members can export decision maker contact data for Citadel Securities and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.